Sen. Joe Manchin of West Virginia, D-W.Va., left, and Sen. Patrick Toomey, R-Pa., arrive at a news conference on Capitol Hill in Washington, Wednesday, April 10, 2013, to announce that they have reached a bipartisan deal on expanding background checks to more gun buyers. (AP Photo/J. Scott Applewhite)

Photo by: J. Scott Applewhite

Sen. Joe Manchin of West Virginia, D-W.Va., left, and Sen. Patrick Toomey, R-Pa., arrive at a news conference on Capitol Hill in Washington, Wednesday, April 10, 2013, to announce that they have reached a bipartisan deal on expanding background checks to more gun buyers. (AP Photo/J. Scott Applewhite)